1. Place these unknown pH test papers in order from most acidic to most alkaline. B
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pH color chart

A. Paper D, paper C, paper B, paper A

B. Paper B, paper A, paper C, paper D

CPaper C. paper D paper A, paper B

D. Paper D paper o paper A, paper B

why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.

with this one i know the answer in craters one reason i looked it up and i learned about it there is my evidence

that's what i got you can count the number of atoms